Wheelchair brake



FIG. 1 is a perspective back side view of the wheelchair brake, showingmy new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a back side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top side view thereof; and,

FIG. 7 is a bottom side view thereof.

The broken lines indicate boundary areas and form no part of the claimeddesign.

CLAIM The ornamental design for a wheelchair brake, as shown anddescribed.